United States. National Advisory Committee for Aeronautics, United States. National Aeronautics and Space Administration · Washington : G.P.O. · leaf 515
he use of this spinnerseemed to have no material effect on the air flow. THE EFFECT OF EXTENDING THE EXIT CONEBEYOND THE PROPELLER. By extending the exit cone as shown in Fig. 9, therewas no change of the air flow inside the tunnel, butthe tangential flow, which had been noticed beforewith the… … /^/^. e which decreased the air speed about 5 per cent, the air issuing from the tunnel at a considerably
Aeronautics
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
